<![CDATA[The limited availability of learning resources that integrate low-carbon education into elementary school learning has constrained students' sustainability literacy and the development of global character. This study aimed to develop and evaluate the effectiveness of a non-text digital book in enhancing sustainability literacy and global character among elementary school students. This research employed a Research and Development (R&D) approach using the ADDIE model, which consists of the analysis, design, development, implementation, and evaluation stages. The participants included 28 sixth-grade students and 20 elementary school teachers. Data were collected using expert validation sheets, teacher and student response questionnaires, and a sustainability literacy achievement test. The validity of the instrument and product was analyzed using the Content Validity Ratio (CVR) and Content Validity Index (CVI), while product effectiveness was evaluated through the normalized gain (N-Gain) score and a paired-samples t-test. The results indicated that the developed non-text digital book demonstrated a very high level of validity, achieving a validity score of 95.625%, with all indicators meeting the CVR and CVI criteria. The implementation results showed a significant improvement in students' sustainability literacy, with the mean pre-test score increasing from 63.48 to 87.32 and an N-Gain score of 0.65, indicating a moderate level of effectiveness. The paired-samples t-test further confirmed that the improvement was statistically significant (p < .05). In addition, students' responses reached 93%, indicating a very high level of engagement and perceived relevance. These findings suggest that the non-text digital book is a valid, effective, and engaging learning resource for promoting sustainability literacy and fostering global character development in elementary education.]]>
